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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Mobile Devices | 15% | - Mobile device hardware and components
|
| Topic 2: Hardware and Network Troubleshooting | 29% | - Troubleshooting methodology
|
| Topic 3: Virtualization and Cloud Computing | 11% | - Cloud computing concepts
|
| Topic 4: Networking | 20% | - Network fundamentals
|
| Topic 5: Hardware | 25% | - PC hardware components
|
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NEW QUESTION # 168
A systems administrator deploys BitLocker to all devices. However, one of the desktop PCs is not able to encrypt the boot drive. Which of the following should the administrator check?
Answer: A
Explanation:
BitLocker Drive Encryption in Windows requires aTrusted Platform Module (TPM)to encrypt the boot drive securely. The TPM is a dedicated microcontroller designed to secure hardware through integrated cryptographic keys. It validates system integrity during boot and securely stores the encryption keys. If BitLocker cannot find a TPM or it is disabled in BIOS/UEFI, drive encryption cannot proceed.
BitLocker can function without TPM using a USB startup key, but this compromises some security and is not recommended for managed enterprise environments.
Reference:
"CompTIA A+ Certification All-in-One Exam Guide, Eleventh Edition" by Travis Everett and Andrew Hutz - Chapter 13, page 536-537.
"CompTIA A+ Guide to Managing and Troubleshooting PCs" by Mark Soper - Chapter 13, page 446-447.
"CompTIA A+ Complete Study Guide" by Quentin Docter - Chapter 1, page 36-38.
NEW QUESTION # 169
A new directive mandates the use of a security component to securely allow users to authenticate to systems, access sensitive data, and enter the office. The component must provide an additional factor of authentication alongside user accounts and cannot be something the user o.
Which of the Mowing components best meets these requirements?
Answer: C
Explanation:
A smart card provides an additional factor of authentication by storing secure credentials, such as certificates, that cannot be guessed or replicated. It complements user accounts and is
"something you have".
NEW QUESTION # 170
Which of the following ports is commonly used for remote desktop connections?
Answer: A
Explanation:
Port 3389 is used by the Remote Desktop Protocol (RDP) for remote desktop connections in Windows environments. This port allows remote control and management of systems across the network.
NEW QUESTION # 171
Which of the following should a technician check when the display of a computer Is flickering?
Answer: C
Explanation:
Display flickering is most commonly caused by an incorrect or unstable refresh rate setting. The refresh rate is the number of times per second (measured in Hz) that a monitor redraws the image. CompTIA A+ teaches that LCD, LED, and especially older CRT displays can exhibit flickering if the refresh rate is set too low or to a value unsupported by the monitor.
For modern displays, typical refresh rates are 60 Hz, 75 Hz, 120 Hz, 144 Hz, and higher. If the refresh rate is mismatched-such as manually set above the monitor's rated capability-the screen may flicker, blank intermittently, or show instability. Similarly, if the refresh rate is set too low, the user may perceive visible flicker, eye strain, or shimmering on the display.
Checking and adjusting the refresh rate through the operating system's display settings (or GPU control panel) is the first and most direct troubleshooting step for flickering issues.
The LCD type (A) has no bearing on flickering once installed. Screen resolution (C) affects clarity and scaling but does not cause flicker by itself. Pixel density (D) is a hardware characteristic and cannot cause flickering.
Thus, the correct component to check when diagnosing display flicker is the refresh rate.
NEW QUESTION # 172
A user only has access to basic printer functions. A technician notices that the advanced printer features are missing. Which of the following actions will fix this issue?
Answer: B
Explanation:
When a printer only provides basic functionality (such as simple printing without duplexing, color management, stapling, or finishing options), this typically indicates that the system is using a generic or basic printer driver rather than the full-featured driver from the printer manufacturer. According to CompTIA Core 1 (220-1201) printing and troubleshooting objectives, advanced printer features are enabled through manufacturer-specific drivers, which expose all hardware capabilities to the operating system.
Operating systems often install default or class drivers automatically, especially when printers are connected via USB or discovered on a network. While these drivers allow basic printing, they do not include proprietary features such as high-resolution settings, tray selection, finishing units, or secure printing options. Installing the correct driver package from the printer manufacturer ensures full compatibility and unlocks advanced functionality.
Restarting the OS or modifying printer settings will not add missing features if the correct driver is not installed. OS-provided patches are designed to fix bugs or compatibility issues, not to enable vendor-specific printer capabilities.
CompTIA explicitly emphasizes verifying and installing manufacturer-recommended drivers as a key troubleshooting step when printer features are missing or limited.
Reference:
CompTIA A+ Core 1 (220-1201) Official Study Guide - Printer Installation, Drivers, and Troubleshooting
NEW QUESTION # 173
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